LOINCActiveBoth

LOINC Code 56161-3: Calculus analysis with calculus photography [Interp]

56161-3 is a LOINC code used to identify Calculus analysis with calculus photography [Interp] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Calculus analysis with calculus photography. It is commonly used with the system or sample type Calculus.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Calculus analysis with calculus photography. It is commonly used with the system or sample type Calculus.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Both

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Calculus analysis with calculus photography [Interpretation] in Stone
  • Calculus analysis with calculus photography
  • Calc; Calculi; Chemistry; Gastro; Gastroenterology; GI; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Kidney; Nephrology; Nominal; Point in time; Random; Renal; Stn; Stone; Stone Analysis; Stone Analysis+Photography; Stones

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Calculus analysis with calculus photography [Interp]Calculus analysis with calculus photography [Interpretation] in StoneStone Analysis+Photography-ImpCalculus analysis with calculus photographyCHEMCalculus analysis with calculus photography, StoneImp

Frequently asked questions

Code details

Code56161-3
SystemLOINC
Display nameCalculus analysis with calculus photography [Interp]
DescriptionCalculus analysis with calculus photography
Short nameStone Analysis+Photography-Imp
ComponentCalculus analysis with calculus photography
PropertyImp
TimingPt
System (specimen)Calculus
ScaleNom
ClassCHEM
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.29
Last changed2.73

Consumer names

Calculus analysis with calculus photography, Stone

Part names

Calculus analysis with calculus photographyImpPtCalculusNomImpression/interpretation of studyPoint in time (spot)Calculus (stone)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 56161-3 | HealthAssure